83420684 has 12 divisors (see below), whose sum is σ = 146630904. Its totient is φ = 41526144.

The previous prime is 83420671. The next prime is 83420693. The reversal of 83420684 is 48602438.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45029 + ... + 46844.

It is an arithmetic number, because the mean of its divisors is an integer number (12219242).

Almost surely, 2^83420684 is an apocalyptic number.

It is an amenable number.

83420684 is a deficient number, since it is larger than the sum of its proper divisors (63210220).

83420684 is a wasteful number, since it uses less digits than its factorization.

83420684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92104 (or 92102 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 83420684 is about 9133.4924317043. The cubic root of 83420684 is about 436.9427947468.

The spelling of 83420684 in words is "eighty-three million, four hundred twenty thousand, six hundred eighty-four".